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{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-filesystem",
               "/path/to/YOUR_COURSE_FOLDER"]
    }
  }
}

## AI Mentor
Read ~/claude-course/COURSE-INDEX.md first.
Reference ~/claude-course for best practices.
When I ask about prompting or debugging,
check the course for techniques and patterns.
Cite the specific phase and module name.

# Parallel agents via git worktrees
git worktree add ../agent-1 -b agent/YOUR-TASK-1
git worktree add ../agent-2 -b agent/YOUR-TASK-2

cd ../agent-1 && claude -p "YOUR_TASK_1"
cd ../agent-2 && claude -p "YOUR_TASK_2"

git worktree add ../app-feature -b feature/YOUR-FEATURE
git worktree add ../app-bugfix  -b fix/YOUR-BUG

# Open each in a separate terminal:
cd ../app-feature && claude
cd ../app-bugfix  && claude

# Add Brave Search MCP server
claude mcp add --transport stdio \
  --env BRAVE_API_KEY=YOUR_KEY \
  brave-search -- \
  npx -y @brave/brave-search-mcp-server

# Install from Claude registry
claude plugin install @anthropic/puppeteer

# Install from GitHub
claude plugin install github:owner/repo-name

# List installed plugins
claude plugin list

{
  "hooks": {
    "Stop": [{
      "type": "prompt",
      "prompt": "Verify all tasks are done. Return {ok: true} or {ok: false, reason: '...'}",
      "model": "claude-haiku-4-5-20251001",
      "timeout": 30
    }]
  }
}

{
  "hooks": {
    "PreToolUse": [{
      "matcher": "Bash(rm *)",
      "hooks": [{
        "type": "command",
        "command": "echo 'Blocked: confirm rm manually' && exit 1",
        "timeout": 5
      }]
    }]
  }
}

# Install a plugin (bundles skills + hooks + agents)
claude plugins install @anthropic/YOUR_PLUGIN_NAME

# Invoke a skill mid-session
/your-skill-name

git diff main | claude -p "Review these changes. Focus on:
bugs, security, performance, edge cases.
Be specific — reference file names and line numbers."

# One-shot mode — no session overhead
claude -p "Add console.log before the fetch call
in src/api/payments.ts:42"
# Cost: ~$0.03 vs ~$0.18 for an interactive session

claude "Refactor src/ to use YOUR_PATTERN.
1. Show me 1 example first — don't change anything yet.
2. Wait for my approval before continuing.
3. Migrate all occurrences, one file at a time."

# Mistake: interactive session for simple tasks
# Fix: one-shot mode
claude -p "Add input validation to src/api/YOUR_ROUTE.ts"
# ~$0.03 vs $0.18+ for a full session

# .claudeignore — files Claude cannot read
.env
.env.*
**/secrets/**
config/production.yml
*.pem
*.key

{
  "permissions": {
    "deny": [
      "Bash(rm -rf *)",
      "Bash(rm -fr *)",
      "Bash(sudo *)",
      "Bash(git push --force *)"
    ]
  }
}